Apparatus for treating well fluids
United States Patent 1970295

Inventors:
Fitzpatrick, Howard H.
Publication Date:
08/14/1934
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Assignee:
PARAFFIN HEATER ENGINEERING CO
Primary Class:
166/60
Other Classes:
392/301, 92/137, 417/313
International Classes:
E21B43/24; E21B43/16